Zero-day vulnerability in Siemens SIMATIC WinCC

Hardcoded credentials

The vulnerabiilty was used by Stuxnet malware together with CVE-2012-3015.

Vulnerability details

Advisory: SB2010072103 - Hardcoded credentials in Siemens SIMATIC WinCC and PSC 7 SCADA systems

Vulnerable component: Siemens SIMATIC WinCC

CVE-ID: CVE-2010-2772

CVSSv3 score: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C

CWE-ID: CWE-259 - Use of Hard-coded Password


The vulnerability allows a local user to obtain hardcoded credentials.

The vulnerability exists due to usage of hardcoded password to access back-end database. A local user can obtain password and gain unaithorized access SCADA system.

Successful exploitation of the vulnerability may allow an attacker to gain complete control over the industrial process.

Note: this vulnerability is being actively exploited by the Stuxnet malware.

Known APT campaigns:

Iranian Nuclear Facilities breach

The breach was identified in summer 2010 by VirusBlokada antivirus company from Belarus, who was called to investigate computers in Iranian nuclear facilities.